diff options
Diffstat (limited to 'src/mainboard/intel/galileo/gen1.h')
| -rw-r--r-- | src/mainboard/intel/galileo/gen1.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/mainboard/intel/galileo/gen1.h b/src/mainboard/intel/galileo/gen1.h index e1e8f5907014..23b23091d2ee 100644 --- a/src/mainboard/intel/galileo/gen1.h +++ b/src/mainboard/intel/galileo/gen1.h @@ -59,6 +59,56 @@ static const struct reg_script gen1_gpio_init[] = { REG_SCRIPT_END }; +static const struct reg_script gen1_hsuart0_0x20[] = { + /* Route UART0_TXD to LVL_TXD -> IO1 -> DIGITAL 1 + * Set IO1_MUX (EXP.PORT3_5) output, low + * Set LVL_OE (GPIO_SUS2) output, high + */ + + REG_I2C_WRITE(GEN1_I2C_GPIO_EXP_0x20, GEN1_GPIO_EXP_PORT_SELECT, 3), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x20, GEN1_GPIO_EXP_PORT_DIR, ~BIT5), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x20, GEN1_GPIO_EXP_OUTPUT3, ~BIT5), + + /* Route DIGITAL 0 -> IO0 -> LVL_RXD -> UART0_RXD + * Set IO0_MUX (EXP.PORT3_4) output, low + * Set LVL_OE (GPIO_SUS2) output, high + */ + REG_I2C_WRITE(GEN1_I2C_GPIO_EXP_0x20, GEN1_GPIO_EXP_PORT_SELECT, 3), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x20, GEN1_GPIO_EXP_PORT_DIR, ~BIT4), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x20, GEN1_GPIO_EXP_OUTPUT3, ~BIT4), + + REG_LEG_GPIO_OR(R_QNC_GPIO_RGEN_RESUME_WELL, BIT2), + REG_LEG_GPIO_AND(R_QNC_GPIO_RGIO_RESUME_WELL, ~BIT2), + REG_LEG_GPIO_OR(R_QNC_GPIO_RGLVL_RESUME_WELL, BIT2), + + REG_SCRIPT_END +}; + +static const struct reg_script gen1_hsuart0_0x21[] = { + /* Route UART0_TXD to LVL_TXD -> IO1 -> DIGITAL 1 + * Set IO1_MUX (EXP.PORT3_5) output, low + * Set LVL_OE (GPIO_SUS2) output, high + */ + + REG_I2C_WRITE(GEN1_I2C_GPIO_EXP_0x21, GEN1_GPIO_EXP_PORT_SELECT, 3), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x21, GEN1_GPIO_EXP_PORT_DIR, ~BIT5), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x21, GEN1_GPIO_EXP_OUTPUT3, ~BIT5), + + /* Route DIGITAL 0 -> IO0 -> LVL_RXD -> UART0_RXD + * Set IO0_MUX (EXP.PORT3_4) output, low + * Set LVL_OE (GPIO_SUS2) output, high + */ + REG_I2C_WRITE(GEN1_I2C_GPIO_EXP_0x21, GEN1_GPIO_EXP_PORT_SELECT, 3), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x21, GEN1_GPIO_EXP_PORT_DIR, ~BIT4), + REG_I2C_AND(GEN1_I2C_GPIO_EXP_0x21, GEN1_GPIO_EXP_OUTPUT3, ~BIT4), + + REG_LEG_GPIO_OR(R_QNC_GPIO_RGEN_RESUME_WELL, BIT2), + REG_LEG_GPIO_AND(R_QNC_GPIO_RGIO_RESUME_WELL, ~BIT2), + REG_LEG_GPIO_OR(R_QNC_GPIO_RGLVL_RESUME_WELL, BIT2), + + REG_SCRIPT_END +}; + static const struct reg_script gen1_i2c_0x20_init[] = { /* Route I2C pins to Arduino header: * Clear I2C_MUX (GPORT1_BIT5) to route I2C to Arduino Shield connector |